@InProceedings{hou2018sequence,
  author = {Hou, Yutai and Liu, Yijia and Che, Wanxiang and Liu, Ting},
  title = {Sequence-to-Sequence Data Augmentation for Dialogue Language Understanding},
  booktitle = {Proceedings of the 27th International Conference on Computational Linguistics},
  year = {2018},
  publisher = {Association for Computational Linguistics},
  pages = {1234--1245},
  location = {Santa Fe, New Mexico, USA},
  url = {http://aclweb.org/anthology/C18-1105}
}